condition mean min max 0 h after light 349.4565 343.91 355.003 4 h after light 322.442 318.448 326.436 8 h after light 206.1225 197.938 214.307 4 h after dark 315.9735 283.824 348.123 8 h after dark 374.49199999999996 352.875 396.109 12 h after dark 401.1685 387.065 415.272